.popup__heading {
    margin: 0;
    font-weight: 900;
    font-size: 18px;
    line-height: 22px;
    padding: 25px 0 77px 22px;
    text-rendering: optimizeLegibility;
}

@media (min-width: 1024px) {
    .popup__heading {
        font-size: 24px;
        line-height: 29px;
        padding: 34px 0 39px 36px;
    }
}